public override byte[] getPublicKeyBlob()
{
byte[] foo = base.getPublicKeyBlob();
if (foo != null)
{
return(foo);
}
if (P_array == null)
{
return(null);
}
Buffer buf = new Buffer(sshdss.Length + 4 +
P_array.Length + 4 +
Q_array.Length + 4 +
G_array.Length + 4 +
pub_array.Length + 4);
buf.putString(sshdss);
buf.putString(P_array);
buf.putString(Q_array);
buf.putString(G_array);
buf.putString(pub_array);
return(buf.buffer);
}
public void request(Session session, Channel channel)
{
Buffer buf=new Buffer();
Packet packet=new Packet(buf);
bool reply=waitForReply();
if(reply)
{
channel.reply=-1;
}
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(Util.getBytes("subsystem"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putString(Util.getBytes("sftp"));
session.write(packet);
if(reply)
{
while(channel.reply==-1)
{
try{System.Threading.Thread.Sleep(10);}
catch//(Exception ee)
{
}
}
if(channel.reply==0)
{
throw new JSchException("failed to send sftp request");
}
}
}
byte[] getSignature_rsa(Session session, byte[] data)
{
try
{
Type t = Type.GetType(jsch.getConfig("signature.rsa"));
SignatureRSA rsa = (SignatureRSA)Activator.CreateInstance(t);
rsa.init();
rsa.setPrvKey(e_array, n_array, d_array, p_array, q_array, dmp1_array, dmq1_array, iqmp_array);
/*
* byte[] goo=new byte[4];
* goo[0]=(byte)(session.getSessionId().Length>>>24);
* goo[1]=(byte)(session.getSessionId().Length>>>16);
* goo[2]=(byte)(session.getSessionId().Length>>>8);
* goo[3]=(byte)(session.getSessionId().Length);
* rsa.update(goo);
* rsa.update(session.getSessionId());
*/
rsa.update(data);
byte[] sig = rsa.sign();
Buffer buf = new Buffer("ssh-rsa".Length + 4 +
sig.Length + 4);
buf.putString(System.Text.Encoding.Default.GetBytes("ssh-rsa"));
buf.putString(sig);
return(buf.buffer);
}
catch (Exception e)
{
Console.WriteLine(e);
}
return(null);
}
public void request(Session session, Channel channel)
{
Buffer buf = new Buffer();
Packet packet = new Packet(buf);
bool reply = waitForReply();
if (reply)
{
channel.reply = -1;
}
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(new String("subsystem").getBytes());
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putString(subsystem.getBytes());
session.write(packet);
if (reply)
{
while (channel.reply == -1)
{
try{ Thread.sleep(10); }
catch //(System.Exception ee)
{
}
}
if (channel.reply == 0)
{
throw new JSchException("failed to send subsystem request");
}
}
}
byte[] getSignature_dss(Session session, byte[] data)
{
/*
* byte[] foo;
* int i;
* System.out.print("P ");
* foo=P_array;
* for(i=0; i<foo.Length; i++){
* System.out.print(Integer.toHexString(foo[i]&0xff)+":");
* }
* System.out.println("");
* System.out.print("Q ");
* foo=Q_array;
* for(i=0; i<foo.Length; i++){
* System.out.print(Integer.toHexString(foo[i]&0xff)+":");
* }
* System.out.println("");
* System.out.print("G ");
* foo=G_array;
* for(i=0; i<foo.Length; i++){
* System.out.print(Integer.toHexString(foo[i]&0xff)+":");
* }
* System.out.println("");
*/
try
{
Type t = Type.GetType(jsch.getConfig("signature.dss"));
SignatureDSA dsa = (SignatureDSA)(Activator.CreateInstance(t));
dsa.init();
dsa.setPrvKey(prv_array, P_array, Q_array, G_array);
/*
* byte[] goo=new byte[4];
* goo[0]=(byte)(session.getSessionId().Length>>>24);
* goo[1]=(byte)(session.getSessionId().Length>>>16);
* goo[2]=(byte)(session.getSessionId().Length>>>8);
* goo[3]=(byte)(session.getSessionId().Length);
* dsa.update(goo);
* dsa.update(session.getSessionId());
*/
dsa.update(data);
byte[] sig = dsa.sign();
Buffer buf = new Buffer("ssh-dss".Length + 4 +
sig.Length + 4);
buf.putString(System.Text.Encoding.Default.GetBytes("ssh-dss"));
buf.putString(sig);
return(buf.buffer);
}
catch (Exception e)
{
Console.WriteLine("e " + e);
}
return(null);
}
public void request(Session session, Channel channel)
{
Buffer buf = new Buffer();
Packet packet = new Packet(buf);
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(Util.getBytes("signal"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putString(Util.getBytes(signal));
session.write(packet);
}
public void request(Session session, Channel channel)
{
Buffer buf=new Buffer();
Packet packet=new Packet(buf);
packet.reset();
buf.putByte((byte) Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString( Util.getBytes("signal"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putString(Util.getBytes(signal));
session.write(packet);
}
internal static void delPort(Session session, int rport)
{
lock (pool)
{
Object[] foo = null;
for (int i = 0; i < pool.size(); i++)
{
Object[] bar = (Object[])(pool.elementAt(i));
if (bar[0] != session)
{
continue;
}
if (((Integer)bar[1]).intValue() != rport)
{
continue;
}
foo = bar;
break;
}
if (foo == null)
{
return;
}
pool.removeElement(foo);
}
Buffer buf = new Buffer(100); // ??
Packet packet = new Packet(buf);
try
{
// byte SSH_MSG_GLOBAL_REQUEST 80
// string "cancel-tcpip-forward"
// boolean want_reply
// string address_to_bind (e.g. "127.0.0.1")
// uint32 port number to bind
packet.reset();
buf.putByte((byte)80 /*SSH_MSG_GLOBAL_REQUEST*/);
buf.putString(new Str("cancel-tcpip-forward").getBytes());
buf.putByte((byte)0);
buf.putString(new Str("0.0.0.0").getBytes());
buf.putInt(rport);
session.write(packet);
}
catch (Exception e)
{
// throw new JSchException(e.toString());
}
}
byte[] getPublicKeyBlob_rsa()
{
if (e_array == null)
{
return(null);
}
Buffer buf = new Buffer("ssh-rsa".Length + 4 +
e_array.Length + 4 +
n_array.Length + 4);
buf.putString(System.Text.Encoding.Default.GetBytes("ssh-rsa"));
buf.putString(e_array);
buf.putString(n_array);
return(buf.buffer);
}
byte[] getPublicKeyBlob_dss()
{
if (P_array == null)
{
return(null);
}
Buffer buf = new Buffer("ssh-dss".Length + 4 +
P_array.Length + 4 +
Q_array.Length + 4 +
G_array.Length + 4 +
pub_array.Length + 4);
buf.putString(System.Text.Encoding.Default.GetBytes("ssh-dss"));
buf.putString(P_array);
buf.putString(Q_array);
buf.putString(G_array);
buf.putString(pub_array);
return(buf.buffer);
}
public void request(Session session, Channel channel)
{
Packet packet = session.packet;
Buffer buf = session.buf;
// send
// byte SSH_MSG_CHANNEL_REQUEST(98)
// uint32 recipient channel
// string request type // "exec"
// boolean want reply // 0
// string command
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(new Str("exec").getBytes());
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putString(new Str(command).getBytes());
session.write(packet);
}
public virtual void connect()
{
if (!session.isConnected())
{
throw new JSchException("session is down");
}
try
{
Buffer buf = new Buffer(100);
Packet packet = new Packet(buf);
// send
// byte SSH_MSG_CHANNEL_OPEN(90)
// string channel type //
// uint32 sender channel // 0
// uint32 initial window size // 0x100000(65536)
// uint32 maxmum packet size // 0x4000(16384)
packet.reset();
buf.putByte((byte)90);
buf.putString(this.type);
buf.putInt(this.id);
buf.putInt(this.lwsize);
buf.putInt(this.lmpsize);
session.write(packet);
int retry = 1000;
while (this.getRecipient() == -1 &&
session.isConnected() &&
retry > 0)
{
try{ Thread.sleep(50); }
catch (Exception ee) {}
retry--;
}
if (!session.isConnected())
{
throw new JSchException("session is down");
}
if (retry == 0)
{
throw new JSchException("channel is not opened.");
}
connected = true;
start();
}
catch (Exception e)
{
connected = false;
if (e is JSchException)
{
throw (JSchException)e;
}
}
}
public void request(Session session, Channel channel)
{
Buffer buf=new Buffer();
Packet packet=new Packet(buf);
// byte SSH_MSG_CHANNEL_REQUEST(98)
// uint32 recipient channel
// string request type // "x11-req"
// boolean want reply // 0
// boolean single connection
// string x11 authentication protocol // "MIT-MAGIC-COOKIE-1".
// string x11 authentication cookie
// uint32 x11 screen number
packet.reset();
buf.putByte((byte) Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(Util.getBytes("x11-req"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putByte((byte)0);
buf.putString(Util.getBytes("MIT-MAGIC-COOKIE-1"));
buf.putString(ChannelX11.getFakedCookie(session));
buf.putInt(0);
session.write(packet);
}
internal void dump(Buffer buf)
{
buf.putInt(flags);
if ((flags & SSH_FILEXFER_ATTR_SIZE) != 0)
{
buf.putLong(size);
}
if ((flags & SSH_FILEXFER_ATTR_UIDGID) != 0)
{
buf.putInt(uid); buf.putInt(gid);
}
if ((flags & SSH_FILEXFER_ATTR_PERMISSIONS) != 0)
{
buf.putInt(permissions);
}
if ((flags & SSH_FILEXFER_ATTR_ACMODTIME) != 0)
{
buf.putInt(atime);
}
if ((flags & SSH_FILEXFER_ATTR_ACMODTIME) != 0)
{
buf.putInt(mtime);
}
if ((flags & SSH_FILEXFER_ATTR_EXTENDED) != 0)
{
int count = extended.Length / 2;
if (count > 0)
{
for (int i = 0; i < count; i++)
{
buf.putString(Util.getBytes(extended[i * 2]));
buf.putString(Util.getBytes(extended[i * 2 + 1]));
}
}
}
}
public void request(Session session, Channel channel)
{
Buffer buf = new Buffer();
Packet packet = new Packet(buf);
// byte SSH_MSG_CHANNEL_REQUEST(98)
// uint32 recipient channel
// string request type // "x11-req"
// boolean want reply // 0
// boolean single connection
// string x11 authentication protocol // "MIT-MAGIC-COOKIE-1".
// string x11 authentication cookie
// uint32 x11 screen number
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(Util.getBytes("x11-req"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putByte((byte)0);
buf.putString(Util.getBytes("MIT-MAGIC-COOKIE-1"));
buf.putString(ChannelX11.getFakedCookie(session));
buf.putInt(0);
session.write(packet);
}
public void request(Session session, Channel channel)
{
Buffer buf = new Buffer();
Packet packet = new Packet(buf);
// send
// byte SSH_MSG_CHANNEL_REQUEST(98)
// uint32 recipient channel
// string request type // "shell"
// boolean want reply // 0
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(Util.getBytes("shell"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
session.write(packet);
}
public void request(Session session, Channel channel)
{
Buffer buf=new Buffer();
Packet packet=new Packet(buf);
// send
// byte SSH_MSG_CHANNEL_REQUEST(98)
// uint32 recipient channel
// string request type // "shell"
// boolean want reply // 0
packet.reset();
buf.putByte((byte) Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(Util.getBytes("shell"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
session.write(packet);
}
public virtual bool start(Session session)
{
Packet packet = session.packet;
Buffer buf = session.buf;
// send
// byte SSH_MSG_SERVICE_REQUEST(5)
// string service name "ssh-userauth"
packet.reset();
buf.putByte((byte)Session.SSH_MSG_SERVICE_REQUEST);
buf.putString(Util.getBytes("ssh-userauth"));
session.write(packet);
// receive
// byte SSH_MSG_SERVICE_ACCEPT(6)
// string service name
buf = session.read(buf);
//System.out.println("read: 6 ? "+buf.buffer[5]);
return(buf.buffer[5] == 6);
}
public void request(Session session, Channel channel)
{
Buffer buf=new Buffer();
Packet packet=new Packet(buf);
//byte SSH_MSG_CHANNEL_REQUEST
//uint32 recipient_channel
//string "window-change"
//boolean FALSE
//uint32 terminal width, columns
//uint32 terminal height, rows
//uint32 terminal width, pixels
//uint32 terminal height, pixels
packet.reset();
buf.putByte((byte) Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(Util.getBytes("window-change"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putInt(width_columns);
buf.putInt(height_rows);
buf.putInt(width_pixels);
buf.putInt(height_pixels);
session.write(packet);
}
public void request(Session session, Channel channel)
{
Buffer buf = new Buffer();
Packet packet = new Packet(buf);
//byte SSH_MSG_CHANNEL_REQUEST
//uint32 recipient_channel
//string "window-change"
//boolean FALSE
//uint32 terminal width, columns
//uint32 terminal height, rows
//uint32 terminal width, pixels
//uint32 terminal height, pixels
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(Util.getBytes("window-change"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putInt(width_columns);
buf.putInt(height_rows);
buf.putInt(width_pixels);
buf.putInt(height_pixels);
session.write(packet);
}
public override bool start(Session session)
{
//super.start(session);
//Vector identities=JSch.identities;
System.Collections.ArrayList identities = session.jsch.identities;
Packet packet = session.packet;
Buffer buf = session.buf;
String passphrase = null;
String username = session.username;
byte[] _username = null;
try{ _username = Util.getBytesUTF8(username); }
catch
{ //(java.io.UnsupportedEncodingException e){
_username = Util.getBytes(username);
}
for (int i = 0; i < identities.Count; i++)
{
Identity identity = (Identity)(identities[i]);
byte[] pubkeyblob = identity.getPublicKeyBlob();
//System.out.println("UserAuthPublicKey: "+identity+" "+pubkeyblob);
if (pubkeyblob != null)
{
// send
// byte SSH_MSG_USERAUTH_REQUEST(50)
// string user name
// string service name ("ssh-connection")
// string "publickey"
// boolen FALSE
// string plaintext password (ISO-10646 UTF-8)
packet.reset();
buf.putByte((byte)Session.SSH_MSG_USERAUTH_REQUEST);
buf.putString(_username);
buf.putString(Util.getBytes("ssh-connection"));
buf.putString(Util.getBytes("publickey"));
buf.putByte((byte)0);
buf.putString(Util.getBytes(identity.getAlgName()));
buf.putString(pubkeyblob);
session.write(packet);
loop1:
while (true)
{
// receive
// byte SSH_MSG_USERAUTH_PK_OK(52)
// string service name
buf = session.read(buf);
//System.out.println("read: 60 ? "+ buf.buffer[5]);
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_PK_OK)
{
break;
}
else if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_FAILURE)
{
// System.out.println("USERAUTH publickey "+session.getIdentity()+
// " is not acceptable.");
break;
}
else if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_BANNER)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] _message = buf.getString();
byte[] lang = buf.getString();
String message = null;
try{ message = Util.getStringUTF8(_message); }
catch
{ //(java.io.UnsupportedEncodingException e){
message = Util.getString(_message);
}
if (userinfo != null)
{
userinfo.showMessage(message);
}
goto loop1;
}
else
{
//System.out.println("USERAUTH fail ("+buf.buffer[5]+")");
//throw new JSchException("USERAUTH fail ("+buf.buffer[5]+")");
break;
}
}
if (buf.buffer[5] != Session.SSH_MSG_USERAUTH_PK_OK)
{
continue;
}
}
//System.out.println("UserAuthPublicKey: identity.isEncrypted()="+identity.isEncrypted());
int count = 5;
while (true)
{
if ((identity.isEncrypted() && passphrase == null))
{
if (userinfo == null)
{
throw new JSchException("USERAUTH fail");
}
if (identity.isEncrypted() &&
!userinfo.promptPassphrase("Passphrase for " + identity.getName()))
{
throw new JSchAuthCancelException("publickey");
//throw new JSchException("USERAUTH cancel");
//break;
}
passphrase = userinfo.getPassphrase();
}
if (!identity.isEncrypted() || passphrase != null)
{
//System.out.println("UserAuthPublicKey: @1 "+passphrase);
if (identity.setPassphrase(passphrase))
{
break;
}
}
passphrase = null;
count--;
if (count == 0)
{
break;
}
}
//System.out.println("UserAuthPublicKey: identity.isEncrypted()="+identity.isEncrypted());
if (identity.isEncrypted())
{
continue;
}
if (pubkeyblob == null)
{
pubkeyblob = identity.getPublicKeyBlob();
}
//System.out.println("UserAuthPublicKey: pubkeyblob="+pubkeyblob);
if (pubkeyblob == null)
{
continue;
}
// send
// byte SSH_MSG_USERAUTH_REQUEST(50)
// string user name
// string service name ("ssh-connection")
// string "publickey"
// boolen TRUE
// string plaintext password (ISO-10646 UTF-8)
packet.reset();
buf.putByte((byte)Session.SSH_MSG_USERAUTH_REQUEST);
buf.putString(_username);
buf.putString(Util.getBytes("ssh-connection"));
buf.putString(Util.getBytes("publickey"));
buf.putByte((byte)1);
buf.putString(Util.getBytes(identity.getAlgName()));
buf.putString(pubkeyblob);
// byte[] tmp=new byte[buf.index-5];
// System.arraycopy(buf.buffer, 5, tmp, 0, tmp.length);
// buf.putString(signature);
byte[] sid = session.getSessionId();
uint sidlen = (uint)sid.Length;
byte[] tmp = new byte[4 + sidlen + buf.index - 5];
tmp[0] = (byte)(sidlen >> 24);
tmp[1] = (byte)(sidlen >> 16);
tmp[2] = (byte)(sidlen >> 8);
tmp[3] = (byte)(sidlen);
Array.Copy(sid, 0, tmp, 4, sidlen);
Array.Copy(buf.buffer, 5, tmp, 4 + sidlen, buf.index - 5);
byte[] signature = identity.getSignature(session, tmp);
if (signature == null)
{ // for example, too long key length.
break;
}
buf.putString(signature);
session.write(packet);
loop2:
while (true)
{
// receive
// byte SSH_MSG_USERAUTH_SUCCESS(52)
// string service name
buf = session.read(buf);
//System.out.println("read: 52 ? "+ buf.buffer[5]);
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_SUCCESS)
{
return(true);
}
else if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_BANNER)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] _message = buf.getString();
byte[] lang = buf.getString();
String message = null;
try{ message = Util.getStringUTF8(_message); }
catch
{ //(java.io.UnsupportedEncodingException e){
message = Util.getString(_message);
}
if (userinfo != null)
{
userinfo.showMessage(message);
}
goto loop2;
}
else if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_FAILURE)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] foo = buf.getString();
int partial_success = buf.getByte();
//System.out.println(new String(foo)+
// " partial_success:"+(partial_success!=0));
if (partial_success != 0)
{
throw new JSchPartialAuthException(Util.getString(foo));
}
break;
}
//System.out.println("USERAUTH fail ("+buf.buffer[5]+")");
//throw new JSchException("USERAUTH fail ("+buf.buffer[5]+")");
break;
}
}
return(false);
}
public void connect(int connectTimeout)
{
if(_isConnected)
{
throw new JSchException("session is already connected");
}
io=new IO();
if(random==null)
{
try
{
Class c=Class.forName(getConfig("random"));
random=(Random)(c.newInstance());
}
catch(Exception e)
{
System.Console.Error.WriteLine("connect: random "+e);
}
}
Packet.setRandom(random);
try
{
int i, j;
int pad=0;
if(proxy==null)
{
proxy=jsch.getProxy(host);
if(proxy!=null)
{
lock(proxy)
{
proxy.close();
}
}
}
if(proxy==null)
{
Stream In;
Stream Out;
if(socket_factory==null)
{
socket=Util.createSocket(host, port, connectTimeout);
In=socket.getInputStream();
Out=socket.getOutputStream();
}
else
{
socket=socket_factory.createSocket(host, port);
In=socket_factory.getInputStream(socket);
Out=socket_factory.getOutputStream(socket);
}
//if(timeout>0){ socket.setSoTimeout(timeout); }
socket.setTcpNoDelay(true);
io.setInputStream(In);
io.setOutputStream(Out);
}
else
{
lock(proxy)
{
proxy.connect(this, host, port, connectTimeout);
io.setInputStream(proxy.getInputStream());
io.setOutputStream(proxy.getOutputStream());
socket=proxy.getSocket();
}
}
if(connectTimeout>0 && socket!=null)
{
socket.setSoTimeout(connectTimeout);
}
_isConnected=true;
i=0;
j=0;
while(i<buf.buffer.Length)
{
j=io.getByte();
if(j<0)break;
buf.buffer[i]=(byte)j; i++;
if(j==10)break;
}
if(j<0)
{
throw new JSchException("connection is closed by foreign host");
}
if(buf.buffer[i-1]==10)
{ // 0x0a
i--;
if(buf.buffer[i-1]==13)
{ // 0x0d
i--;
}
}
if(i==buf.buffer.Length ||
i<7 || // SSH-1.99 or SSH-2.0
(buf.buffer[4]=='1' && buf.buffer[6]!='9') // SSH-1.5
)
{
throw new JSchException("invalid server's version String");
}
V_S=new byte[i]; Fireball.Ssh.java.System.arraycopy(buf.buffer, 0, V_S, 0, i);
//System.Console.WriteLine("V_S: ("+i+") ["+new String(V_S)+"]");
//io.put(V_C, 0, V_C.Length); io.put("\n".getBytes(), 0, 1);
{
// Some Cisco devices will miss to read '\n' if it is sent separately.
byte[] foo=new byte[V_C.Length+1];
Fireball.Ssh.java.System.arraycopy(V_C, 0, foo, 0, V_C.Length);
foo[foo.Length-1]=(byte)'\n';
io.put(foo, 0, foo.Length);
}
buf=read(buf);
//System.Console.WriteLine("read: 20 ? "+buf.buffer[5]);
if(buf.buffer[5]!=SSH_MSG_KEXINIT)
{
throw new JSchException("invalid protocol: "+buf.buffer[5]);
}
KeyExchange kex=receive_kexinit(buf);
while(true)
{
buf=read(buf);
if(kex.getState()==buf.buffer[5])
{
bool result=kex.next(buf);
if(!result)
{
//System.Console.WriteLine("verify: "+result);
in_kex=false;
throw new JSchException("verify: "+result);
}
}
else
{
in_kex=false;
throw new JSchException("invalid protocol(kex): "+buf.buffer[5]);
}
if(kex.getState()==KeyExchange.STATE_END)
{
break;
}
}
try{ checkHost(host, kex); }
catch(JSchException ee)
{
in_kex=false;
throw ee;
}
send_newkeys();
// receive SSH_MSG_NEWKEYS(21)
buf=read(buf);
//System.Console.WriteLine("read: 21 ? "+buf.buffer[5]);
if(buf.buffer[5]==SSH_MSG_NEWKEYS)
{
receive_newkeys(buf, kex);
}
else
{
throw new JSchException("invalid protocol(newkyes): "+buf.buffer[5]);
}
bool auth=false;
bool auth_cancel=false;
UserAuthNone usn=new UserAuthNone(userinfo);
auth=usn.start(this);
String methods=usn.getMethods().toLowerCase();
// methods: publickey,password,keyboard-interactive
if(methods==null)
{
methods="publickey,password,keyboard-interactive";
}
loop:
while(true)
{
//System.Console.WriteLine("methods: "+methods);
while(!auth &&
methods!=null && methods.Length()>0)
{
//System.Console.WriteLine(" methods: "+methods);
UserAuth us=null;
if(methods.startsWith("publickey"))
{
//System.Console.WriteLine(" jsch.identities.size()="+jsch.identities.size());
lock(jsch.identities)
{
if(jsch.identities.size()>0)
{
us=new UserAuthPublicKey(userinfo);
}
}
}
else if(methods.startsWith("keyboard-interactive"))
{
if(userinfo is UIKeyboardInteractive)
{
us=new UserAuthKeyboardInteractive(userinfo);
}
}
else if(methods.startsWith("password"))
{
us=new UserAuthPassword(userinfo);
}
if(us!=null)
{
try
{
auth=us.start(this);
auth_cancel=false;
}
catch(JSchAuthCancelException ee)
{
//System.Console.WriteLine(ee);
auth_cancel=true;
}
catch(JSchPartialAuthException ee)
{
methods=ee.getMethods();
//System.Console.WriteLine("PartialAuth: "+methods);
auth_cancel=false;
continue;//loop;
}
catch(RuntimeException ee)
{
throw ee;
}
catch(Exception ee)
{
System.Console.WriteLine("ee: "+ee); // SSH_MSG_DISCONNECT: 2 Too many authentication failures
}
}
if(!auth)
{
int comma=methods.indexOf(",");
if(comma==-1) break;
methods=methods.subString(comma+1);
}
}
break;
}
if(connectTimeout>0 || timeout>0)
{
socket.setSoTimeout(timeout);
}
if(auth)
{
isAuthed=true;
connectThread=new Thread(this);
connectThread.setName("Connect thread "+host+" session");
connectThread.start();
return;
}
if(auth_cancel)
throw new JSchException("Auth cancel");
throw new JSchException("Auth fail");
}
catch(Exception e)
{
if(_isConnected)
{
try
{
packet.reset();
buf.putByte((byte)SSH_MSG_DISCONNECT);
buf.putInt(3);
buf.putString(new String(e.ToString()).getBytes());
buf.putString(new String("en").getBytes());
write(packet);
disconnect();
}
catch(Exception ee)
{
}
}
_isConnected=false;
//e.printStackTrace();
if(e is RuntimeException) throw (RuntimeException)e;
if(e is JSchException) throw (JSchException)e;
throw new JSchException("Session.connect: "+e);
}
}
private void setPortForwarding(int rport)
{
lock(grr)
{
Buffer buf=new Buffer(100); // ??
Packet packet=new Packet(buf);
try
{
// byte SSH_MSG_GLOBAL_REQUEST 80
// String "tcpip-forward"
// bool want_reply
// String address_to_bind
// uint32 port number to bind
packet.reset();
buf.putByte((byte) SSH_MSG_GLOBAL_REQUEST);
buf.putString( new String( "tcpip-forward" ).getBytes());
// buf.putByte((byte)0);
buf.putByte((byte)1);
buf.putString(new String("0.0.0.0").getBytes());
buf.putInt(rport);
write(packet);
}
catch(Exception e)
{
throw new JSchException(e.ToString());
}
grr.setThread(Thread.currentThread());
try{ Thread.Sleep(10000);}
catch(Exception e)
{
}
int reply=grr.getReply();
grr.setThread(null);
if(reply==0)
{
throw new JSchException("remote port forwarding failed for listen port "+rport);
}
}
}
public override byte[] getPublicKeyBlob()
{
byte[] foo=base.getPublicKeyBlob();
if(foo!=null) return foo;
if(P_array==null) return null;
Buffer buf=new Buffer(sshdss.Length+4+
P_array.Length+4+
Q_array.Length+4+
G_array.Length+4+
pub_array.Length+4);
buf.putString(sshdss);
buf.putString(P_array);
buf.putString(Q_array);
buf.putString(G_array);
buf.putString(pub_array);
return buf.buffer;
}
public override bool start(Session session)
{
//System.out.println("UserAuthKeyboardInteractive: start");
Packet packet = session.packet;
Buffer buf = session.buf;
String username = session.username;
String dest = username + "@" + session.host;
if (session.port != 22)
{
dest += (":" + session.port);
}
bool cancel = false;
byte[] _username = null;
try{ _username = System.Text.Encoding.UTF8.GetBytes(username); }
catch {
_username = Util.getBytes(username);
}
while (true)
{
// send
// byte SSH_MSG_USERAUTH_REQUEST(50)
// string user name (ISO-10646 UTF-8, as defined in [RFC-2279])
// string service name (US-ASCII) "ssh-userauth" ? "ssh-connection"
// string "keyboard-interactive" (US-ASCII)
// string language tag (as defined in [RFC-3066])
// string submethods (ISO-10646 UTF-8)
packet.reset();
buf.putByte((byte)Session.SSH_MSG_USERAUTH_REQUEST);
buf.putString(_username);
buf.putString(Util.getBytes("ssh-connection"));
//buf.putString("ssh-userauth".getBytes());
buf.putString(Util.getBytes("keyboard-interactive"));
buf.putString(Util.getBytes(""));
buf.putString(Util.getBytes(""));
session.write(packet);
bool firsttime = true;
loop:
while (true)
{
// receive
// byte SSH_MSG_USERAUTH_SUCCESS(52)
// string service name
try{ buf = session.read(buf); }
catch (JSchException e) {
e.GetType();
return(false);
}
catch (System.IO.IOException e) {
e.GetType();
return(false);
}
//System.out.println("read: 52 ? "+ buf.buffer[5]);
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_SUCCESS)
{
return(true);
}
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_BANNER)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] _message = buf.getString();
byte[] lang = buf.getString();
String message = null;
try{ message = Util.getStringUTF8(_message); }
catch {
message = Util.getString(_message);
}
if (userinfo != null)
{
userinfo.showMessage(message);
}
goto loop;
}
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_FAILURE)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] foo = buf.getString();
int partial_success = buf.getByte();
// System.out.println(new String(foo)+
// " partial_success:"+(partial_success!=0));
if (partial_success != 0)
{
throw new JSchPartialAuthException(Util.getString(foo));
}
if (firsttime)
{
throw new JSchException("USERAUTH KI is not supported");
//return false;
//cancel=true; // ??
}
break;
}
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_INFO_REQUEST)
{
firsttime = false;
buf.getInt(); buf.getByte(); buf.getByte();
String name = Util.getString(buf.getString());
String instruction = Util.getString(buf.getString());
String languate_tag = Util.getString(buf.getString());
int num = buf.getInt();
//System.out.println("name: "+name);
//System.out.println("instruction: "+instruction);
//System.out.println("lang: "+languate_tag);
//System.out.println("num: "+num);
String[] prompt = new String[num];
bool[] echo = new bool[num];
for (int i = 0; i < num; i++)
{
prompt[i] = Util.getString(buf.getString());
echo[i] = (buf.getByte() != 0);
//System.out.println(" "+prompt[i]+","+echo[i]);
}
String[] response = null;
if (num > 0 ||
(name.Length > 0 || instruction.Length > 0)
)
{
UIKeyboardInteractive kbi = (UIKeyboardInteractive)userinfo;
if (userinfo != null)
{
response = kbi.promptKeyboardInteractive(dest,
name,
instruction,
prompt,
echo);
}
}
// byte SSH_MSG_USERAUTH_INFO_RESPONSE(61)
// int num-responses
// string response[1] (ISO-10646 UTF-8)
// ...
// string response[num-responses] (ISO-10646 UTF-8)
//if(response!=null)
//System.out.println("response.length="+response.length);
//else
//System.out.println("response is null");
packet.reset();
buf.putByte((byte)Session.SSH_MSG_USERAUTH_INFO_RESPONSE);
if (num > 0 &&
(response == null || // cancel
num != response.Length))
{
buf.putInt(0);
if (response == null)
{
cancel = true;
}
}
else
{
buf.putInt(num);
for (int i = 0; i < num; i++)
{
//System.out.println("response: |"+response[i]+"| <- replace here with **** if you need");
buf.putString(Util.getBytes(response[i]));
}
}
session.write(packet);
if (cancel)
{
break;
}
//System.out.println("continue loop");
goto loop;
}
//throw new JSchException("USERAUTH fail ("+buf.buffer[5]+")");
return(false);
}
if (cancel)
{
throw new JSchAuthCancelException("keyboard-interactive");
//break;
}
}
//return false;
}
public override bool start(Session session)
{
// super.start(session);
//System.out.println("UserAuthPassword: start");
Packet packet = session.packet;
Buffer buf = session.buf;
String username = session.username;
String password = session.password;
String dest = username + "@" + session.host;
if (session.port != 22)
{
dest += (":" + session.port);
}
while (true)
{
if (password == null)
{
if (userinfo == null)
{
//throw new JSchException("USERAUTH fail");
return(false);
}
if (!userinfo.promptPassword("Password for " + dest))
{
throw new JSchAuthCancelException("password");
//break;
}
password = userinfo.getPassword();
if (password == null)
{
throw new JSchAuthCancelException("password");
//break;
}
}
byte[] _username = null;
try{ _username = Util.getBytesUTF8(username); }
catch {//(java.io.UnsupportedEncodingException e){
_username = Util.getBytes(username);
}
byte[] _password = null;
try{ _password = Util.getBytes(password); }
catch {//(java.io.UnsupportedEncodingException e){
_password = Util.getBytes(password);
}
// send
// byte SSH_MSG_USERAUTH_REQUEST(50)
// string user name
// string service name ("ssh-connection")
// string "password"
// boolen FALSE
// string plaintext password (ISO-10646 UTF-8)
packet.reset();
buf.putByte((byte)Session.SSH_MSG_USERAUTH_REQUEST);
buf.putString(_username);
buf.putString(Util.getBytes("ssh-connection"));
buf.putString(Util.getBytes("password"));
buf.putByte((byte)0);
buf.putString(_password);
session.write(packet);
loop:
while (true)
{
// receive
// byte SSH_MSG_USERAUTH_SUCCESS(52)
// string service name
buf = session.read(buf);
//System.out.println("read: 52 ? "+ buf.buffer[5]);
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_SUCCESS)
{
return(true);
}
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_BANNER)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] _message = buf.getString();
byte[] lang = buf.getString();
String message = null;
try{ message = Util.getStringUTF8(_message); }
catch {//(java.io.UnsupportedEncodingException e){
message = Util.getString(_message);
}
if (userinfo != null)
{
userinfo.showMessage(message);
}
goto loop;
}
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_FAILURE)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] foo = buf.getString();
int partial_success = buf.getByte();
//System.out.println(new String(foo)+
// " partial_success:"+(partial_success!=0));
if (partial_success != 0)
{
throw new JSchPartialAuthException(Util.getString(foo));
}
break;
}
else
{
// System.out.println("USERAUTH fail ("+buf.buffer[5]+")");
// throw new JSchException("USERAUTH fail ("+buf.buffer[5]+")");
return(false);
}
}
password = null;
}
//throw new JSchException("USERAUTH fail");
//return false;
}
public override byte[] getPublicKeyBlob()
{
byte[] foo=base.getPublicKeyBlob();
if(foo!=null) return foo;
if(pub_array==null) return null;
Buffer buf=new Buffer(sshrsa.Length+4+
pub_array.Length+4+
n_array.Length+4);
buf.putString(sshrsa);
buf.putString(pub_array);
buf.putString(n_array);
return buf.buffer;
}
internal static void delPort(Session session, int rport)
{
lock(pool)
{
Object[] foo=null;
for(int i=0; i<pool.size(); i++)
{
Object[] bar=(Object[])(pool.elementAt(i));
if(bar[0]!=session) continue;
if(((Integer)bar[1]).intValue()!=rport) continue;
foo=bar;
break;
}
if(foo==null)return;
pool.removeElement(foo);
}
Buffer buf=new Buffer(100); // ??
Packet packet=new Packet(buf);
try
{
// byte SSH_MSG_GLOBAL_REQUEST 80
// string "cancel-tcpip-forward"
// boolean want_reply
// string address_to_bind (e.g. "127.0.0.1")
// uint32 port number to bind
packet.reset();
buf.putByte((byte) 80/*SSH_MSG_GLOBAL_REQUEST*/);
buf.putString(new Str("cancel-tcpip-forward").getBytes());
buf.putByte((byte)0);
buf.putString(new Str("0.0.0.0").getBytes());
buf.putInt(rport);
session.write(packet);
}
catch(Exception e)
{
// throw new JSchException(e.toString());
}
}
public override void connect()
{
try
{
if (!session.isConnected())
{
throw new JSchException("session is down");
}
Buffer buf = new Buffer(150);
Packet packet = new Packet(buf);
// send
// byte SSH_MSG_CHANNEL_OPEN(90)
// string channel type //
// uint32 sender channel // 0
// uint32 initial window size // 0x100000(65536)
// uint32 maxmum packet size // 0x4000(16384)
packet.reset();
buf.putByte((byte)90);
buf.putString(Util.getBytes("direct-tcpip"));
buf.putInt(id);
buf.putInt(lwsize);
buf.putInt(lmpsize);
buf.putString(Util.getBytes(host));
buf.putInt(port);
buf.putString(Util.getBytes(originator_IP_address));
buf.putInt(originator_port);
session.write(packet);
int retry = 1000;
try
{
while (this.getRecipient() == -1 &&
session.isConnected() &&
retry > 0 &&
!_eof_remote)
{
//Thread.sleep(500);
Thread.Sleep(50);
retry--;
}
}
catch
{
}
if (!session.isConnected())
{
throw new JSchException("session is down");
}
if (retry == 0 || this._eof_remote)
{
throw new JSchException("channel is not opened.");
}
/*
* if(this.eof_remote){ // failed to open
* disconnect();
* return;
* }
*/
connected = true;
thread = new Thread(this);
thread.start();
}
catch (Exception e)
{
io.close();
io = null;
Channel.del(this);
if (e is JSchException)
{
throw (JSchException)e;
}
}
}
byte[] getPublicKeyBlob_dss()
{
if(P_array==null) return null;
Buffer buf=new Buffer("ssh-dss".Length+4+
P_array.Length+4+
Q_array.Length+4+
G_array.Length+4+
pub_array.Length+4);
buf.putString(System.Text.Encoding.Default.GetBytes("ssh-dss"));
buf.putString(P_array);
buf.putString(Q_array);
buf.putString(G_array);
buf.putString(pub_array);
return buf.buffer;
}
public override bool next(Buffer _buf)
{
int i, j;
bool result = false;
switch (state)
{
case SSH_MSG_KEXDH_REPLY:
// The server responds with:
// byte SSH_MSG_KEXDH_REPLY(31)
// string server public host key and certificates (K_S)
// mpint f
// string signature of H
j = _buf.getInt();
j = _buf.getByte();
j = _buf.getByte();
if (j != 31)
{
Console.WriteLine("type: must be 31 " + j);
result = false;
break;
}
K_S = _buf.getString();
// K_S is server_key_blob, which includes ....
// string ssh-dss
// impint p of dsa
// impint q of dsa
// impint g of dsa
// impint pub_key of dsa
//System.out.print("K_S: "); //dump(K_S, 0, K_S.length);
byte[] f = _buf.getMPInt();
byte[] sig_of_H = _buf.getString();
/*
* for(int ii=0; ii<sig_of_H.length;ii++){
* System.out.print(Integer.toHexString(sig_of_H[ii]&0xff));
* System.out.print(": ");
* }
* Console.WriteLine("");
*/
dh.setF(f);
K = dh.getK();
//The hash H is computed as the HASH hash of the concatenation of the
//following:
// string V_C, the client's version string (CR and NL excluded)
// string V_S, the server's version string (CR and NL excluded)
// string I_C, the payload of the client's SSH_MSG_KEXINIT
// string I_S, the payload of the server's SSH_MSG_KEXINIT
// string K_S, the host key
// mpint e, exchange value sent by the client
// mpint f, exchange value sent by the server
// mpint K, the shared secret
// This value is called the exchange hash, and it is used to authenti-
// cate the key exchange.
buf.reset();
buf.putString(V_C); buf.putString(V_S);
buf.putString(I_C); buf.putString(I_S);
buf.putString(K_S);
buf.putMPInt(e); buf.putMPInt(f);
buf.putMPInt(K);
byte[] foo = new byte[buf.getLength()];
buf.getByte(foo);
sha.update(foo, 0, foo.Length);
H = sha.digest();
//System.out.print("H -> "); //dump(H, 0, H.length);
i = 0;
j = 0;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
String alg = Util.getString(K_S, i, j);
i += j;
result = false;
if (alg.Equals("ssh-rsa"))
{
byte[] tmp;
byte[] ee;
byte[] n;
type = RSA;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
tmp = new byte[j]; Array.Copy(K_S, i, tmp, 0, j); i += j;
ee = tmp;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
tmp = new byte[j]; Array.Copy(K_S, i, tmp, 0, j); i += j;
n = tmp;
// SignatureRSA sig=new SignatureRSA();
// sig.init();
SignatureRSA sig = null;
try
{
Type t = Type.GetType(session.getConfig("signature.rsa"));
sig = (SignatureRSA)(Activator.CreateInstance(t));
sig.init();
}
catch (Exception eee)
{
Console.WriteLine(eee);
}
sig.setPubKey(ee, n);
sig.update(H);
result = sig.verify(sig_of_H);
//MainClass.dump(ee, n, sig_of_H, H);
}
else if (alg.Equals("ssh-dss"))
{
byte[] q = null;
byte[] tmp;
byte[] p;
byte[] g;
type = DSS;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
tmp = new byte[j]; Array.Copy(K_S, i, tmp, 0, j); i += j;
p = tmp;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
tmp = new byte[j]; Array.Copy(K_S, i, tmp, 0, j); i += j;
q = tmp;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
tmp = new byte[j]; Array.Copy(K_S, i, tmp, 0, j); i += j;
g = tmp;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
tmp = new byte[j]; Array.Copy(K_S, i, tmp, 0, j); i += j;
f = tmp;
// SignatureDSA sig=new SignatureDSA();
// sig.init();
SignatureDSA sig = null;
try
{
Type t = Type.GetType(session.getConfig("signature.dss"));
sig = (SignatureDSA)(Activator.CreateInstance(t));
sig.init();
}
catch (Exception ee)
{
Console.WriteLine(ee);
}
sig.setPubKey(f, p, q, g);
sig.update(H);
result = sig.verify(sig_of_H);
}
else
{
Console.WriteLine("unknow alg");
}
state = STATE_END;
break;
}
return(result);
}
public virtual void connect()
{
if(!session.isConnected())
{
throw new JSchException("session is down");
}
try
{
Buffer buf=new Buffer(100);
Packet packet=new Packet(buf);
// send
// byte SSH_MSG_CHANNEL_OPEN(90)
// string channel type //
// uint32 sender channel // 0
// uint32 initial window size // 0x100000(65536)
// uint32 maxmum packet size // 0x4000(16384)
packet.reset();
buf.putByte((byte)90);
buf.putString(this.type);
buf.putInt(this.id);
buf.putInt(this.lwsize);
buf.putInt(this.lmpsize);
session.write(packet);
int retry=1000;
while(this.getRecipient()==-1 &&
session.isConnected() &&
retry>0)
{
try{Thread.sleep(50);}
catch(Exception ee){}
retry--;
}
if(!session.isConnected())
{
throw new JSchException("session is down");
}
if(retry==0)
{
throw new JSchException("channel is not opened.");
}
connected=true;
start();
}
catch(Exception e)
{
connected=false;
if(e is JSchException) throw (JSchException)e;
}
}
public override bool next(Buffer _buf)
{
int i, j;
bool result = false;
switch (state)
{
case SSH_MSG_KEX_DH_GEX_GROUP:
// byte SSH_MSG_KEX_DH_GEX_GROUP(31)
// mpint p, safe prime
// mpint g, generator for subgroup in GF (p)
_buf.getInt();
_buf.getByte();
j = _buf.getByte();
if (j != 31)
{
Console.WriteLine("type: must be 31 " + j);
result = false;
}
p = _buf.getMPInt();
g = _buf.getMPInt();
/*
* for(int iii=0; iii<p.length; iii++){
* System.out.println("0x"+Integer.toHexString(p[iii]&0xff)+",");
* }
* System.out.println("");
* for(int iii=0; iii<g.length; iii++){
* System.out.println("0x"+Integer.toHexString(g[iii]&0xff)+",");
* }
*/
dh.setP(p);
dh.setG(g);
// The client responds with:
// byte SSH_MSG_KEX_DH_GEX_INIT(32)
// mpint e <- g^x mod p
// x is a random number (1 < x < (p-1)/2)
e = dh.getE();
packet.reset();
buf.putByte((byte)0x20);
buf.putMPInt(e);
session.write(packet);
state = SSH_MSG_KEX_DH_GEX_REPLY;
result = true;
break;
case SSH_MSG_KEX_DH_GEX_REPLY:
// The server responds with:
// byte SSH_MSG_KEX_DH_GEX_REPLY(33)
// string server public host key and certificates (K_S)
// mpint f
// string signature of H
j = _buf.getInt();
j = _buf.getByte();
j = _buf.getByte();
if (j != 33)
{
Console.WriteLine("type: must be 33 " + j);
result = false;
}
K_S = _buf.getString();
// K_S is server_key_blob, which includes ....
// string ssh-dss
// impint p of dsa
// impint q of dsa
// impint g of dsa
// impint pub_key of dsa
//System.out.print("K_S: "); dump(K_S, 0, K_S.length);
byte[] f = _buf.getMPInt();
byte[] sig_of_H = _buf.getString();
dh.setF(f);
K = dh.getK();
//The hash H is computed as the HASH hash of the concatenation of the
//following:
// string V_C, the client's version string (CR and NL excluded)
// string V_S, the server's version string (CR and NL excluded)
// string I_C, the payload of the client's SSH_MSG_KEXINIT
// string I_S, the payload of the server's SSH_MSG_KEXINIT
// string K_S, the host key
// uint32 min, minimal size in bits of an acceptable group
// uint32 n, preferred size in bits of the group the server should send
// uint32 max, maximal size in bits of an acceptable group
// mpint p, safe prime
// mpint g, generator for subgroup
// mpint e, exchange value sent by the client
// mpint f, exchange value sent by the server
// mpint K, the shared secret
// This value is called the exchange hash, and it is used to authenti-
// cate the key exchange.
buf.reset();
buf.putString(V_C); buf.putString(V_S);
buf.putString(I_C); buf.putString(I_S);
buf.putString(K_S);
buf.putInt(min); buf.putInt(preferred); buf.putInt(max);
buf.putMPInt(p); buf.putMPInt(g); buf.putMPInt(e); buf.putMPInt(f);
buf.putMPInt(K);
byte[] foo = new byte[buf.getLength()];
buf.getByte(foo);
sha.update(foo, 0, foo.Length);
H = sha.digest();
// System.out.print("H -> "); dump(H, 0, H.length);
i = 0;
j = 0;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
String alg = Util.getString(K_S, i, j);
i += j;
if (alg.Equals("ssh-rsa"))
{
byte[] tmp;
byte[] ee;
byte[] n;
type = RSA;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
tmp = new byte[j]; Array.Copy(K_S, i, tmp, 0, j); i += j;
ee = tmp;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
tmp = new byte[j]; Array.Copy(K_S, i, tmp, 0, j); i += j;
n = tmp;
// SignatureRSA sig=new SignatureRSA();
// sig.init();
SignatureRSA sig = null;
try
{
Type t = Type.GetType(session.getConfig("signature.rsa"));
sig = (SignatureRSA)(Activator.CreateInstance(t));
sig.init();
}
catch (Exception eee)
{
Console.WriteLine(eee);
}
sig.setPubKey(ee, n);
sig.update(H);
result = sig.verify(sig_of_H);
}
else if (alg.Equals("ssh-dss"))
{
byte[] q = null;
byte[] tmp;
type = DSS;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
tmp = new byte[j]; Array.Copy(K_S, i, tmp, 0, j); i += j;
p = tmp;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
tmp = new byte[j]; Array.Copy(K_S, i, tmp, 0, j); i += j;
q = tmp;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
tmp = new byte[j]; Array.Copy(K_S, i, tmp, 0, j); i += j;
g = tmp;
j = (int)((K_S[i++] << 24) & 0xff000000) | ((K_S[i++] << 16) & 0x00ff0000) |
((K_S[i++] << 8) & 0x0000ff00) | ((K_S[i++]) & 0x000000ff);
tmp = new byte[j]; Array.Copy(K_S, i, tmp, 0, j); i += j;
f = tmp;
// SignatureDSA sig=new SignatureDSA();
// sig.init();
SignatureDSA sig = null;
try
{
Type t = Type.GetType(session.getConfig("signature.dss"));
sig = (SignatureDSA)(Activator.CreateInstance(t));
sig.init();
}
catch (Exception ee)
{
Console.WriteLine(ee);
}
sig.setPubKey(f, p, q, g);
sig.update(H);
result = sig.verify(sig_of_H);
}
else
{
Console.WriteLine("unknow alg");
}
state = STATE_END;
break;
}
return(result);
}
public override bool start(Session session)
{
base.start(session);
//System.out.println("UserAuthNone: start");
Packet packet = session.packet;
Buffer buf = session.buf;
String username = session.username;
byte[] _username = null;
try{ _username = Util.getBytesUTF8(username); }
catch
{ //(java.io.UnsupportedEncodingException e){
_username = Util.getBytes(username);
}
// send
// byte SSH_MSG_USERAUTH_REQUEST(50)
// string user name
// string service name ("ssh-connection")
// string "none"
packet.reset();
buf.putByte((byte)Session.SSH_MSG_USERAUTH_REQUEST);
buf.putString(_username);
buf.putString(Util.getBytes("ssh-connection"));
buf.putString(Util.getBytes("none"));
session.write(packet);
loop:
while (true)
{
// receive
// byte SSH_MSG_USERAUTH_SUCCESS(52)
// string service name
buf = session.read(buf);
//System.out.println("UserAuthNone: read: 52 ? "+ buf.buffer[5]);
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_SUCCESS)
{
return(true);
}
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_BANNER)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] _message = buf.getString();
byte[] lang = buf.getString();
String message = null;
try{ message = Util.getStringUTF8(_message); }
catch
{ //(java.io.UnsupportedEncodingException e){
message = Util.getString(_message);
}
if (userinfo != null)
{
userinfo.showMessage(message);
}
goto loop;
}
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_FAILURE)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] foo = buf.getString();
int partial_success = buf.getByte();
methods = Util.getString(foo);
//System.out.println("UserAuthNONE: "+methods+
// " partial_success:"+(partial_success!=0));
// if(partial_success!=0){
// throw new JSchPartialAuthException(new String(foo));
// }
break;
}
else
{
// System.out.println("USERAUTH fail ("+buf.buffer[5]+")");
throw new JSchException("USERAUTH fail (" + buf.buffer[5] + ")");
}
}
//throw new JSchException("USERAUTH fail");
return(false);
}
byte[] getSignature_dss(Session session, byte[] data)
{
/*
byte[] foo;
int i;
System.out.print("P ");
foo=P_array;
for(i=0; i<foo.Length; i++){
System.out.print(Integer.toHexString(foo[i]&0xff)+":");
}
System.out.println("");
System.out.print("Q ");
foo=Q_array;
for(i=0; i<foo.Length; i++){
System.out.print(Integer.toHexString(foo[i]&0xff)+":");
}
System.out.println("");
System.out.print("G ");
foo=G_array;
for(i=0; i<foo.Length; i++){
System.out.print(Integer.toHexString(foo[i]&0xff)+":");
}
System.out.println("");
*/
try
{
Type t=Type.GetType(jsch.getConfig("signature.dss"));
SignatureDSA dsa=(SignatureDSA)(Activator.CreateInstance(t));
dsa.init();
dsa.setPrvKey(prv_array, P_array, Q_array, G_array);
/*
byte[] goo=new byte[4];
goo[0]=(byte)(session.getSessionId().Length>>>24);
goo[1]=(byte)(session.getSessionId().Length>>>16);
goo[2]=(byte)(session.getSessionId().Length>>>8);
goo[3]=(byte)(session.getSessionId().Length);
dsa.update(goo);
dsa.update(session.getSessionId());
*/
dsa.update(data);
byte[] sig = dsa.sign();
Buffer buf=new Buffer("ssh-dss".Length+4+
sig.Length+4);
buf.putString( System.Text.Encoding.Default.GetBytes( "ssh-dss" ) );
buf.putString(sig);
return buf.buffer;
}
catch(Exception e)
{
Console.WriteLine("e "+e);
}
return null;
}
byte[] getPublicKeyBlob_rsa()
{
if(e_array==null) return null;
Buffer buf=new Buffer("ssh-rsa".Length+4+
e_array.Length+4+
n_array.Length+4);
buf.putString( System.Text.Encoding.Default.GetBytes( "ssh-rsa" ) );
buf.putString(e_array);
buf.putString(n_array);
return buf.buffer;
}
internal void dump(Buffer buf)
{
buf.putInt(flags);
if((flags&SSH_FILEXFER_ATTR_SIZE)!=0){ buf.putLong(size); }
if((flags&SSH_FILEXFER_ATTR_UIDGID)!=0)
{
buf.putInt(uid); buf.putInt(gid);
}
if((flags&SSH_FILEXFER_ATTR_PERMISSIONS)!=0)
{
buf.putInt(permissions);
}
if((flags&SSH_FILEXFER_ATTR_ACMODTIME)!=0){ buf.putInt(atime); }
if((flags&SSH_FILEXFER_ATTR_ACMODTIME)!=0){ buf.putInt(mtime); }
if((flags&SSH_FILEXFER_ATTR_EXTENDED)!=0)
{
int count=extended.Length/2;
if(count>0)
{
for(int i=0; i<count; i++)
{
buf.putString(Util.getBytes(extended[i*2]));
buf.putString(Util.getBytes(extended[i*2+1]));
}
}
}
}
byte[] getSignature_rsa(Session session, byte[] data)
{
try
{
Type t=Type.GetType(jsch.getConfig("signature.rsa"));
SignatureRSA rsa=(SignatureRSA)Activator.CreateInstance(t);
rsa.init();
rsa.setPrvKey(e_array, n_array, d_array, p_array, q_array, dmp1_array, dmq1_array, iqmp_array);
/*
byte[] goo=new byte[4];
goo[0]=(byte)(session.getSessionId().Length>>>24);
goo[1]=(byte)(session.getSessionId().Length>>>16);
goo[2]=(byte)(session.getSessionId().Length>>>8);
goo[3]=(byte)(session.getSessionId().Length);
rsa.update(goo);
rsa.update(session.getSessionId());
*/
rsa.update(data);
byte[] sig = rsa.sign();
Buffer buf=new Buffer("ssh-rsa".Length+4+
sig.Length+4);
buf.putString( System.Text.Encoding.Default.GetBytes( "ssh-rsa" ));
buf.putString(sig);
return buf.buffer;
}
catch(Exception e)
{
Console.WriteLine(e);
}
return null;
}
public override void connect()
{
try
{
if(!session.isConnected())
{
throw new JSchException("session is down");
}
Buffer buf=new Buffer(150);
Packet packet=new Packet(buf);
// send
// byte SSH_MSG_CHANNEL_OPEN(90)
// string channel type //
// uint32 sender channel // 0
// uint32 initial window size // 0x100000(65536)
// uint32 maxmum packet size // 0x4000(16384)
packet.reset();
buf.putByte((byte)90);
buf.putString(Util.getBytes("direct-tcpip"));
buf.putInt(id);
buf.putInt(lwsize);
buf.putInt(lmpsize);
buf.putString(Util.getBytes(host));
buf.putInt(port);
buf.putString(Util.getBytes(originator_IP_address));
buf.putInt(originator_port);
session.write(packet);
int retry=1000;
try
{
while(this.getRecipient()==-1 &&
session.isConnected() &&
retry>0 &&
!_eof_remote)
{
//Thread.sleep(500);
Thread.Sleep(50);
retry--;
}
}
catch
{
}
if(!session.isConnected())
{
throw new JSchException("session is down");
}
if(retry==0 || this._eof_remote)
{
throw new JSchException("channel is not opened.");
}
/*
if(this.eof_remote){ // failed to open
disconnect();
return;
}
*/
connected=true;
thread=new Thread(this);
thread.start();
}
catch(Exception e)
{
io.close();
io=null;
Channel.del(this);
if (e is JSchException)
{
throw (JSchException) e;
}
}
}
